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Journal of Geophysical Research: Space Physics

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Posted inResearch Spotlights

New Clues to Mysterious Hiss in Earth's Plasmasphere

by Mark Zastrow 26 October 201527 September 2022

An analysis of the electromagnetic "hiss" that surrounds Earth reveals it's not just static; there's a signal hidden within, which may help scientists uncover its source.

Posted inResearch Spotlights

"Fingers" of Plasma Invade Saturn's Magnetic Field

by Mark Zastrow 15 October 201511 January 2022

NASA's Cassini probe observed vast amounts of plasma on the fringes of Saturn's magnetic field being mysteriously injected hundreds of thousands of kilometers inward.

Posted inResearch Spotlights

How Powerful Is Jupiter's Aurora?

by Mark Zastrow 8 September 201511 August 2022

Scientists have mapped Jupiter's spectacular aurora in unprecedented detail with the Hubble Space Telescope.

Posted inResearch Spotlights

Lightning "Impulses" Improve Models of Global Electrical Circuit

by Mark Zastrow 19 August 201513 April 2023

New simulations of how thunderstorms drive electrical currents through the Earth's atmosphere combine precision with computational speed.

Posted inResearch Spotlights

Gaseous Planets May Have Huge Luminous Rings Caused by Lightning

by Mark Zastrow 15 July 201513 April 2023

What business do elves have in the upper atmospheres of gas giants? Plenty, it seems. The enormous ring-shaped phenomena triggered by lightning may occur on Jupiter, Saturn, and exoplanets.

Posted inResearch Spotlights

X Marks the Spot of Magnetic Islands in Space

by Mark Zastrow 17 June 20154 May 2022

At the edge of Earth's magnetic field, satellites have found X-shaped fields and fast-moving "islands" of magnetism that could shed light on the physics of solar storms.

Posted inResearch Spotlights

New Ionosphere Model Incorporates Solar Angles

by Mark Zastrow 4 June 201516 November 2021

The decades-old theory of the layers of the Earth's ionosphere, which dates to 1931, has just received an update that takes into account the angle of the Sun.

Posted inResearch Spotlights

Particle Accelerator in Space Could Help Scientists Study Auroras

by Mark Zastrow 8 April 201520 October 2021

Researchers could launch an electron beam device into space to study the Earth's magnetic field and trigger artificial auroras and lightning.

Posted inResearch Spotlights

Shooting Stars and Cosmic Dust Help Form Clouds, Fertilize Plankton

by E. Betz 5 March 20157 March 2022

Tons of cosmic dust enter Earth’s atmosphere each day, triggering a range of phenomena that scientists are only just beginning to understand.

Posted inResearch Spotlights

Measuring Solar Wind Interactions in Mars’s Exosphere

by C. Schultz 18 November 201410 March 2022

An updated analytical technique gave researchers a new look at ion cyclotron waves in Mars’s extended hydrogen exosphere.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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